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2000 BC - Chinese First to Use Coal as an Energy Source
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1st Century - Chinese First to Refine Petroleum (Oil) for Use as an Energy Source
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200 BC - Chinese Develop Natural Gas as an Energy Source
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200 BC - Europeans Harness Water Energy to Power Mills
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10th Century - Windmills Built in Persia to Grind Grain and Pump Water
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First Steam Engine Developed in England to Pump Water Out of Coal Mines
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First Commercial Coal Production in US Begins in Richmond, Virginia
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Coal Begins to Displace Use of Other Energies
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Process of Electrolysis Discovered
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First Natural Gas Well in US Is Drilled
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Coal Becomes Primary Locomotive (Train) Fuel in US, Displacing Wood
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First Coal Powered Iron Forges Are Developed in New England